Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSACURA2015TLX BASE, 2.4L ENGREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXAUDIO VISUAL SYSTEM DTCSACURALINK
2015 Acura TLX Base, 2.4L Eng
Audio Visual System DTCS: ACURALINK
2015 Acura TLX Base, 2.4L EngSECTION ACURALINK
Telematics Control Unit
| DTC | Description | DTC Type |
|---|---|---|
| B1401 | Telematics-ECU CPU Communication and EEPROM Error | Internal error |
| B1403 | Telematics-ECU GPS Receiver Error | Internal error |
| B1404 | Telematics-ECU Telephone Module Error | Internal error |
| B1412 | TEL Antenna Disconnected | Signal error |
| B1413 | TEL Antenna Shorted to Ground | Signal error |
| B1414 | GPS Antenna Disconnected | Signal error |
| B1415 | GPS Antenna Shorted to Ground | Signal error |
| B1416 | TELE Console Switch Assembly Disconnected | Signal error |
| B1417 | TELE Console Switch Shorted to Ground | Signal error |
| B1425 | CDS (Collision detection signal) input circuit malfunction | Signal error |
| B1775 | Microphone In/Out Open or Shorted to Power | Signal error |
| B1776 | Microphone In/Out Shorted to Ground | Signal error |
| U1280 | Communication Bus Line Error (a bus OFF state is detected by Telematics-ECU) | Loss of communication |
| U128D | Lost Communication with Meter on B-CAN | Loss of communication |
| U1281 | Lost Communication with MICU (MICU frame) | Loss of communication |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.